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siderite

(Encyclopedia) sideritesideritesĭdˈərīt [key] or chalybitesideritekălˈĭbīt [key], a mineral, varying in color from brown, green, or gray to black and occurring in nature in massive and crystalline…

John BRECKINRIDGE, Congress, KY (1760-1806)

Senate Years of Service: 1801-1805Party: Democratic RepublicanBRECKINRIDGE, John, (brother of James Breckinridge, grandfather of John Cabell Breckinridge and William Campbell Preston…

Roundup of Recent Science Discoveries, 2005

—By Borgna BrunnerOmo Is Oldest In 2003 the dating of an Ethiopian Homo sapiens fossil, “Herto Man,” was hailed as a milestone in paleoanthropology. At 160,000 years old, Herto Man was a full 50…

Hardcover

Here are the best-selling children's books of all time (through the end of 2000), with author and year of initial publication, compiled by Publishers Weekly. OP means the book is no longer in print…

Biographies of Famous African Americans

  Aaliyah–Ewing | Farmer–Innis | Jackson–Ludacris | Mac–Puckett | Rabb–Swoopes | Tanner–Van Der Zee Browse by category Government Officials Civil…

Hawley, Joseph

(Encyclopedia) Hawley, Joseph, 1723–88, political leader in the American Revolution, b. Northampton, Mass. He was a leader of the opposition to the revivalist preaching of Jonathan Edwards and helped…

fulminate

(Encyclopedia) fulminatefulminatefŭlˈmĭnāt [key], any salt of fulminic acid, HONC, a highly unstable compound known only in solution. The term is most commonly applied to the explosive mercury (II)…

Jewett, Charles Coffin

(Encyclopedia) Jewett, Charles CoffinJewett, Charles Coffinj&oomacr;ˈĭt [key], 1816–68, American librarian, b. Lebanon, Maine. Jewett prepared his first catalog of books as librarian of Andover…

Atlanta University Center

(Encyclopedia) Atlanta University Center, at Atlanta, Ga.; coeducational. The largest consortium of historically African-American educational institutions in the country, it was organized in 1929…